Search a number
-
+
74214788 = 2294119717
BaseRepresentation
bin1000110110001…
…10110110000100
312011122111112212
410123012312010
5122444333123
611210402552
71560546434
oct433066604
9164574485
1074214788
113898a73a
1220a30458
13124b609b
149bdc2c4
1567ae878
hex46c6d84

74214788 has 12 divisors (see below), whose sum is σ = 130020492. Its totient is φ = 37066080.

The previous prime is 74214781. The next prime is 74214827. The reversal of 74214788 is 88741247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22259524 + 51955264 = 4718^2 + 7208^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (74214781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6095 + ... + 13622.

It is an arithmetic number, because the mean of its divisors is an integer number (10835041).

Almost surely, 274214788 is an apocalyptic number.

It is an amenable number.

74214788 is a deficient number, since it is larger than the sum of its proper divisors (55805704).

74214788 is a wasteful number, since it uses less digits than its factorization.

74214788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20662 (or 20660 counting only the distinct ones).

The product of its digits is 100352, while the sum is 41.

The square root of 74214788 is about 8614.8005200353. The cubic root of 74214788 is about 420.2394477398.

The spelling of 74214788 in words is "seventy-four million, two hundred fourteen thousand, seven hundred eighty-eight".

Divisors: 1 2 4 941 1882 3764 19717 39434 78868 18553697 37107394 74214788